242509280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3761}}^1$

素因数の和:3820

約数の個数: 96

約数和(自身を含む): 637072128

約数和(自身を除く): 394562848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 403, 416, 496, 520, 620, 806, 992, 1040, 1240, 1612, 2015, 2080, 2480, 3224, 3761, 4030, 4960, 6448, 7522, 8060, 12896, 15044, 16120, 18805, 30088, 32240, 37610, 48893, 60176, 64480, 75220, 97786, 116591, 120352, 150440, 195572, 233182, 244465, 300880, 391144, 466364, 488930, 582955, 601760, 782288, 932728, 977860, 1165910, 1515683, 1564576, 1865456, 1955720, 2331820, 3031366, 3730912, 3911440, 4663640, 6062732, 7578415, 7822880, 9327280, 12125464, 15156830, 18654560, 24250928, 30313660, 48501856, 60627320, 121254640, 242509280]

約数ペア:

[(1, 242509280), (2, 121254640), (4, 60627320), (5, 48501856), (8, 30313660), (10, 24250928), (13, 18654560), (16, 15156830), (20, 12125464), (26, 9327280), (31, 7822880), (32, 7578415), (40, 6062732), (52, 4663640), (62, 3911440), (65, 3730912), (80, 3031366), (104, 2331820), (124, 1955720), (130, 1865456), (155, 1564576), (160, 1515683), (208, 1165910), (248, 977860), (260, 932728), (310, 782288), (403, 601760), (416, 582955), (496, 488930), (520, 466364), (620, 391144), (806, 300880), (992, 244465), (1040, 233182), (1240, 195572), (1612, 150440), (2015, 120352), (2080, 116591), (2480, 97786), (3224, 75220), (3761, 64480), (4030, 60176), (4960, 48893), (6448, 37610), (7522, 32240), (8060, 30088), (12896, 18805), (15044, 16120)]